Do not strip VC redists (#856)

Closes #855 

Please see the above issue description for why this addition is proposed

Author: neilmehta24

src/release.rs

@@ -511,8 +511,12 @@ pub fn convert_to_stripped<W: Write>(
                 | FileKind::Pe32
                 | FileKind::Pe64)
         ) {
-            data = llvm_strip(&data, llvm_dir)
-                .with_context(|| format!("failed to strip {}", path.display()))?;
+            // Skip stripping MSVC runtime DLLs
+            let filename = path.file_name().and_then(|n| n.to_str());
+            if !matches!(filename, Some("vcruntime140.dll" | "vcruntime140_1.dll")) {
+                data = llvm_strip(&data, llvm_dir)
+                    .with_context(|| format!("failed to strip {}", path.display()))?;
+            }
         }
 
         let mut header = entry.header().clone();